Chocolate coating machine is an industrial equipment specifically designed to evenly apply a layer of chocolate (or other similar coating materials, such as candy coating) on the surface of food or other items. Chocolate enrober is widely used in industries such as candy, baking, and snack food.
Here are its core functions and working principles:
1. Core function: Wrap various shapes and sizes of centrosomes (such as nuts, dried fruits, cookies, waffles, protein bars, ice cream bars, gummies, pretzels, etc.) with a uniform, smooth, and thickness controllable chocolate shell.
2. Working principle (typical process):
Feed: The central body to be coated (usually requiring pre cooling or adjustment to a suitable temperature) is transported to the feed end of the machine.
Coating: This is the core step. The central body passes over a flowing chocolate melt pool or waterfall. Common methods include:
Waterfall coating: Molten chocolate flows down like a waterfall, and the product passes through the conveyor belt from below, covered by a shower of chocolate.
Remove excess coating: After coating, the product is usually passed through a vibrating screen, air knife, or rotating device to remove excess chocolate, ensuring uniform coating thickness and avoiding dripping or clumping. This step is crucial for achieving a smooth appearance.
Cooling and solidification: Products coated with chocolate enter the cooling tunnel. The low temperature inside the tunnel (usually 0-10 ° C or lower) is maintained, and cold air is constantly circulated to rapidly solidify, crystallize, and harden the molten chocolate, forming a stable outer shell. The cooling rate and temperature control are crucial for the final gloss, taste, and shelf life of chocolate.
Collection/discharge: The fully cooled and cured coating product is sent out of the cooling tunnel for collection, packaging, or entering the next process (such as secondary coating, decoration).
Main components:
Conveyor system: usually a mesh belt or steel strip, which smoothly passes the product through various workstations (preheating, coating, material removal, cooling, discharge).
Chocolate melting tank/insulation tank: stores and maintains chocolate in a molten state and precise working temperature (usually around 40-45 ° C, depending on the type of chocolate).
Coating device: a specific mechanism for achieving chocolate coverage (waterfall curtain, immersion tank, spray head, roller coating cylinder, etc.).
Residual material removal device: vibrating screen, air knife, rotating brush, etc., used to remove excess chocolate.
Cooling Tunnel: Provides a controllable low-temperature environment, equipped with powerful fans and refrigeration systems, allowing chocolate to solidify quickly and evenly.
Control system: Adjust parameters such as temperature (chocolate and cooling), conveyor belt speed, vibration intensity, air volume, etc.
Chocolate coating machine advantage:
High efficiency: Automated continuous production, far superior to manual operation.
Uniform and Consistent: It can accurately control the thickness and uniformity of the coating, ensuring consistent appearance and taste of the product.
Save labor: significantly reduce the manpower required for manual coating and cooling.
High quality: Accurate temperature control and cooling process help chocolate form a stable crystal structure (especially temperature controlled chocolate), achieving good gloss, brittleness, and shelf life.
Hygiene: Closed or semi closed designs reduce the risk of pollution.
Multifunctionality: By replacing parts or adjusting parameters, products of different shapes and sizes can be processed, and sometimes can also be used for other coatings (such as yogurt coating, candy coating).
The chocolate coating machine is a key equipment in the food industry for achieving surface automation, high efficiency, and high-quality chocolate coating of products. It evenly covers the center body with molten chocolate, removes excess parts, and rapidly solidifies and shapes the chocolate through controlled cooling. From small desktop computers to large continuous production lines, there are various specifications to choose from, meeting the production needs of different scales.
Post time: Jun-10-2025